Harry's Super Accurate Shaft Size Table
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MAKE          MODEL                 SIZE             SHAFT
                                                    THREAD
ASP           Two Stroke           .25 -  .46       1/4-28
ASP           Two Stroke           .60 -  .90      5/16-24
ASP           Two Stroke          1.08 - 1.20       3/8-24
ASP           Four Stroke          .65    .91      5/16-24
Cox           All Models           .01                2-56
Cox           All Models           .02                3-48
Cox           All Models           .49 -  .51         5-40
Cox           All Models           .09                6-32
Enya          All Models           .09    .11       5x.8mm
Enya          SS Two Stroke        .19 -  .50       1/4-28
Enya          Non SS Two Stroke    .15 -  .25        6x1mm
Enya          Non SS Two Stroke    .29 -  .60        7x1mm
Enya          Four Stroke          .46 -  .90        7x1mm
Enya          Four Stroke         1.20               8x1mm
Enya          Twin V              2.40              3/8-24
Evolution     All Models           .36 -  .46       1/4-28
Evolution     All Models           .61 - 1.00      5/16-24
Evolution     11.6                                  10x1mm
Fox           All Models           .19 -  .50       1/4-28
Fox           All Models           .60 - 1.20      5/16-24
GMS           All Models           .25 -  .47       1/4-28
GMS           All Models           .61 -  .72      5/16-24
GMS           All Models          1.20              3/8-24
HB            All Models           .12 -  .15       5x.8mm
HB            All Models           All Others       1/4-28
HP            All Models           .21 -  .61       1/4-28
Irvine        All Models           .15               6x1mm
Irvine        All Models           .20 -  .53       1/4-28
Irvine        All Models           .61 -  .72      5/16-24
Irvine        All Models          1.20 - 1.50       3/8-24
K&B           All Models           .15               10-32
K&B           All Models           .20 -  .65        1/4-28
Magnum        All Models           .21 -  .45       1/4-28
Magnum        All Models           .61 - .91       5/16-24
Magnum        All Models          1.08   1.20       3/8-24
Megatech      All Models           .46              1/4x28
MDS           All Models           .18               10-32
MDS           All Models           .25               6x1mm
MDS           All Models           .28    .58       1/4-28
MDS           All Models           .61            8x1.25mm
MDS           All Models           .68             5/16x24
Mecoa         All Models           .40 -  .61       1/4-28
Merco         All Models           .33 -  .40       1/4-28
Merco         All Models           .50    .61      5/16-24
Moki          All Models           .51               6x1mm
Moki          All Models           .61               7x1mm
Moki          All Models          1.20           10x1.25mm
Moki          All Models          1.80              10x1mm
Morris        All Models           All Sizes      8x1.25mm
MVVS          All Except Twin      All Sizes         6x1mm
MVVS          Twin                               10x1.25mm
OS            All Models           .10              5x.8mm
OS            Any Except FP        .15              5x.8mm
OS            FP                   .15             7/32-32
OS            All Two Stroke       .20 -  .50       1/4-28
OS            All Two Stroke       .60 -  .91      5/16-24
OS            RX RX-FI            1.40             5/16-24
OS            108, 160 BGX-1                        3/8-24
OS            Four Stroke          .20 -  .52       1/4-28
OS            Four Stroke          .70 Ultimate-P   1/4-28
OS            4 Stroke Not 70 Ult  .70 - 1.20      5/16-24
OS            Multiple Cyl 1.20, 1.60, and 3.20     5/16-24
OS            Multiple Cyl        3.00              3/8-24
Thunder Tiger All Models           .25 -  .46       1/4-28
Thunder Tiger All Models           .61 - 1.20      5/16-24
Tiger Shark   All Models           .40 -  .46       1/4-28
Tiger Shark   All Models           .61 -  .75      5/16-24
Tower         All Models           .40              1/4-28
Picco         All Models           .21 -  .45       1/4-28
Picco         All Models           .60            8x1.25mm
Rossi         All Models           .21              1/4-28
Rossi         All Models           .40 -  1.05    8x1.25mm
Royal         All Models           .21 -  .46       1/4-28
Saito Single  FA                   .30              1/4-28
Saito Single  FA                   .40               6x1mm
Saito Single  All Models           .56 -  .91        7x1mm
Saito Single  All Models          1.00 - 1.80     8x1.25mm
Saito Mult    All Models           .60 - 1.00        7x1mm
Saito Mult    All Models          1.00 - 2.00     8x1.25mm
Saito Mult    FA 300TL FA 300TTDP 3.00           10x1.25mm
Saito Mult    All Models          3.25 - 4.25     8x1.25mm
Super Tiger   All Models           .11 -  .15       5x.8mm
Super Tiger   All Models           .20 -  .60       1/4-28
Super Tiger   All Models           .61 -  .90      5/16-24
Super Tiger   2300 3250                            5/16-24
Super Tiger   S2000 S2500 S3000 S4500            10x1.25mm
Tartan        Standard                               7x1mm
Tartan        Super                               8x1.25mm
Webra         All                  .21 -  .60       1/4-28
Webra         All                  .80 - 1.20     8x1.25mm
Y S           All Models           .45 - 1.60     8x1.25mm
Zenoah        G20 G38                             8x1.25mm
Zenoah        45 and 62                          10x1.25mm

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